/* ── Base & Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(255, 107, 82, 0.2);
    color: #f6f6f7;
}

/* ── Animations ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ── Scroll-triggered reveals ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Navbar scroll state ── */
.navbar-scrolled {
    background: rgba(10, 10, 14, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar-scrolled #navbar nav {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* ── Mobile menu transitions ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.open .mobile-link {
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.3s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.4s; }

/* ── Hamburger animation ── */
#mobile-toggle.active span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
#mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}
#mobile-toggle.active span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.5rem;
}

/* ── Image hover containers ── */
.relative.overflow-hidden {
    will-change: transform;
}

/* ── Focus styles ── */
input:focus, textarea:focus {
    outline: none;
}

input::placeholder, textarea::placeholder {
    color: #3d3d47;
}

/* ── Smooth image loading ── */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #131318;
}
::-webkit-scrollbar-thumb {
    background: #3d3d47;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #52525d;
}